SIMULASI CFD PROSES PERPINDAHAN PANAS PADA MESIN PENGERING SOHUN KAPASITAS 20 KG DENGAN VARIASI BUKAAN DAMPER

Fauzun Fauzun, Danang Eko Tamtomo, Muhammad Aulia Rahman, Akbar Fadhlurrohman Hidayat, Cahyo Wibi Yogiswara

Abstract


Drying machines have a vital role in food products drying for packaging to avoid bacteria contamination and ensure its durability. A properly designed dryer is utterly fundamental to maintaining adequate drying capacity, especially to overcome the ever-changing weather. In aiming for the pre-described drying rate, numbers of parameters need to be considered, such as the drying temperature, airflow speed, temperature distribution, and humidity. Henceforth, a comprehensive study considering all these parameters is necessary during the dryer machine design process. Employing numerical simulation is a solution to reduce the required cost and time from the experimental approach. This study proposed a set of vermicelli dryer designs with various inlet and outlet damper openings of 30%, 45%, and 60%. The study shows that the openings affect the temperature gradient and drying rate. The most optimum design is obtained at the damper opening of 30%, whereby the drying time, temperature gradient, and vermicelli temperature of 23,99 minutes, 2,98 oC and 57,9 oC respectively.


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DOI: https://doi.org/10.31884/jtt.v11i1.587

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